be anybody's/anyone's guess

(redirected from was anyone's guess)

be anybody's/anyone's guess

To be uncertain or unknown. Why dogs and cats hate each other is anybody's guess. No one has been able to determine why my daughter has been having nightmares—apparently, it's anybody's guess.
See also: guess

be anybody's guess

or

be anyone's guess

If you say that something is anybody's guess or is anyone's guess, you mean that it is impossible to know what is true or what will happen. How she managed to stay there for an entire month was anybody's guess. How long the fuel would last was anyone's guess.
See also: guess
References in periodicals archive ?
SAN FRANCISCO - The Dodgers' Triple-A Las Vegas affiliate was scheduled to open its season Thursday at Colorado Springs, and it was anyone's guess how first-year manager Jerry Royster would fill out his lineup card.
In the build-up, it was anyone's guess as to who would make it in the last four.
At the time, he said it was anyone's guess whether Springfield would be in the final show.
It was anyone's guess who would win, but last night McManaman was told he was in.
When the confetti cannons were installed earlier in the day, it was anyone's guess what the close of Auction Napa Valley 25 would bring -- but it was clear to everyone under the massive tent long before the gavel dropped on the final lot at $550,000 that the anniversary event was an unprecedented success; having raised $10.
There was one, but it was anyone's guess which was the end and which was the beginning.